MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a link farm with numerous URLs, several of which point to compromised CMS uploads or disposable hosting, indicating a malicious intent to redirect users. The ML classifier and ClamAV detection strongly support this assessment, flagging the file as malicious and a potential phishing or trojan delivery mechanism. No scripts were extracted, and the document body was unreadable binary data.
Machine Learning
- Nyx PDF Classifier malicious score 0.9981
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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External URI info PDF_URIPDF contains an external URL action
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL http://wwsm-us.com/files/file/20364921955.pdf In PDF document text
- https://webrekruit.com/php_codes/Scott/VieauAssociates/code/userfiles/file/14698151823.pdfIn PDF document text
- https://voicelux.ru/wp-content/plugins/super-forms/uploads/php/files/da89b44846aac4f5b54ef6aa4c8cda5e/xajujinitonusoj.pdfIn PDF document text
- https://livbiopharma.com/userfiles/file/kewizusizona.pdfIn PDF document text
- http://www.kevimotor-rock.hu/files/files/83393264637.pdfIn PDF document text
- https://inprovitcaribe.com/ckfinder/userfiles/files/79516326458.pdfIn PDF document text
- http://3e-recycling.ru/app/webroot/filesfiles/tiwopax.pdfIn PDF document text
- http://nhadatv.com/webroot/img/files/jijedoguzajafunarima.pdfIn PDF document text
- https://incense888.com/uploads/files/202109020335478089.pdfIn PDF document text
- http://mapect.com/upload/fckeditor/file/xiwalemovozoler.pdfIn PDF document text
- http://wignaccent.com/FCKeditor_2.6.3/userimages/file/20210906224600.pdfIn PDF document text
- http://yao-cheng.com/uploadfiles/20210902095916.pdfIn PDF document text
- https://manage3.realtourvision.com/rtv/ckfinder/userfiles/images/files/72469721759.pdfIn PDF document text
- https://visaonline-vn.com/wp-content/plugins/super-forms/uploads/php/files/sbf0ndbp42398o0i2h604f4mhj/94011431888.pdfIn PDF document text
- http://windowsplusllc.com/ckfinder/userfiles/files/97574605922.pdfIn PDF document text
- https://kingdom.vn/userfiles/file/80279336828.pdfIn PDF document text
- http://recruiters-zone.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613590a41303a---roredul.pdfIn PDF document text
- http://gpkoaee.ru/ckfinder/userfiles/files/24921067543.pdfIn PDF document text
- https://web-sila.ru/wp-content/plugins/super-forms/uploads/php/files/4a98e17ea46c0518c36f35a28ad8792b/xoviduvuxifitevemene.pdfIn PDF document text
- http://domplus.su/userfiles/files/rujidekiriguzujemozag.pdfIn PDF document text
- http://libron.pl/fckupload/assets/file/vamofag.pdfIn PDF document text
- http://zavalinka.by/var/upload/file/10737608838.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/BvfzZFkJO3s/uplcv?utm_term=interview+with+the+vampire+claudia%27s+story+pdfPDF link annotation
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000d750.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD750 | 11236 bytes |
SHA-256: ceca476f2554ec104250c4824a37a18c47e63624c6a058bd58f3476b2a7af386 |
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font_01_sfnt_off0000f18f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF18F | 18128 bytes |
SHA-256: 19f29a19fb5967d3a198afa4ff75d0e016ed38e56c038d4325a5a8df044ea7ee |
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font_02_sfnt_off0001203c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1203C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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